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Stuwdam Hagestein is a weir in the river Lek (The Netherlands). Built in 1953, the weir helps to control the water in Holland. It has 3 arches that can sink into the river during high tide; the ships then have to use a lock. In the middle arch there's a hydroelectric station. The panorama is taken in januari 2013.

Nowhere in the world you will find as many windmills as near (the Dutch village) Kinderdijk. Around 1740 no less than 19 sturdy mills were built here. They have been well preserved to the present day.
The mills drain the excess water from the Alblasserwaard polders - which are situated below sea-level - after which t...